This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Quiet t/op/stash.t output
[perl5.git] / t / op / stash.t
CommitLineData
6b78add2
RGS
1#!./perl
2
3BEGIN {
4 chdir 't' if -d 't';
5 @INC = qw(../lib);
6}
7
768fd157 8BEGIN { require "./test.pl"; }
6b78add2 9
ab9c4446 10plan( tests => 31 );
6b78add2
RGS
11
12# Used to segfault (bug #15479)
13fresh_perl_is(
14 '%:: = ""',
15 'Odd number of elements in hash assignment at - line 1.',
16 { switches => [ '-w' ] },
17 'delete $::{STDERR} and print a warning',
18);
b862623f
RGS
19
20# Used to segfault
21fresh_perl_is(
22 'BEGIN { $::{"X::"} = 2 }',
23 '',
24 { switches => [ '-w' ] },
25 q(Insert a non-GV in a stash, under warnings 'once'),
26);
adc51b97
RGS
27
28ok( !defined %oedipa::maas::, q(stashes aren't defined if not used) );
29ok( !defined %{"oedipa::maas::"}, q(- work with hard refs too) );
30
31ok( defined %tyrone::slothrop::, q(stashes are defined if seen at compile time) );
32ok( defined %{"tyrone::slothrop::"}, q(- work with hard refs too) );
33
34ok( defined %bongo::shaftsbury::, q(stashes are defined if a var is seen at compile time) );
35ok( defined %{"bongo::shaftsbury::"}, q(- work with hard refs too) );
36
37package tyrone::slothrop;
38$bongo::shaftsbury::scalar = 1;
aec56d99
NC
39
40package main;
41
42# Used to warn
43# Unbalanced string table refcount: (1) for "A::" during global destruction.
44# for ithreads.
45{
46 local $ENV{PERL_DESTRUCT_LEVEL} = 2;
47 fresh_perl_is(
48 'package A; sub a { // }; %::=""',
49 '',
50 '',
51 );
52}
ce10b5d1 53
d6069db2
RGS
54# now tests in eval
55
56ok( !eval { defined %achtfaden:: }, 'works in eval{}' );
57ok( !eval q{ defined %schoenmaker:: }, 'works in eval("")' );
58
ce10b5d1
RGS
59# now tests with strictures
60
d018fae5
BM
61{
62 use strict;
63 ok( !defined %pig::, q(referencing a non-existent stash doesn't produce stricture errors) );
64 ok( !exists $pig::{bodine}, q(referencing a non-existent stash element doesn't produce stricture errors) );
65}
66
67SKIP: {
68 eval { require B; 1 } or skip "no B", 12;
69
70 *b = \&B::svref_2object;
71 my $CVf_ANON = B::CVf_ANON();
72
73 my $sub = do {
74 package one;
75 \&{"one"};
76 };
77 delete $one::{one};
78 my $gv = b($sub)->GV;
79
80 isa_ok( $gv, "B::GV", "deleted stash entry leaves CV with valid GV");
81 is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set");
82 is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name");
83 is( eval { $gv->STASH->NAME }, "one", "...but leaves stash intact");
84
85 $sub = do {
86 package two;
87 \&{"two"};
88 };
89 %two:: = ();
90 $gv = b($sub)->GV;
91
92 isa_ok( $gv, "B::GV", "cleared stash leaves CV with valid GV");
93 is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set");
94 is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name");
95 is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash");
96
97 $sub = do {
98 package three;
99 \&{"three"};
100 };
101 undef %three::;
102 $gv = b($sub)->GV;
103
104 isa_ok( $gv, "B::GV", "undefed stash leaves CV with valid GV");
105 is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set");
106 is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name");
107 is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash");
108
109 TODO: {
110 local $TODO = "anon CVs not accounted for yet";
111
2221b6e7 112 my @results = split "\n", runperl(
ab9c4446
BM
113 switches => [ "-MB", "-l" ],
114 prog => q{
115 my $sub = do {
116 package four;
117 sub { 1 };
118 };
119 %four:: = ();
120
121 my $gv = B::svref_2object($sub)->GV;
122 print $gv->isa(q/B::GV/) ? q/ok/ : q/not ok/;
123
124 my $st = eval { $gv->STASH->NAME };
125 print $st eq q/__ANON__/ ? q/ok/ : q/not ok/;
126
127 my $sub = do {
128 package five;
129 sub { 1 };
130 };
131 undef %five::;
132
133 $gv = B::svref_2object($sub)->GV;
134 print $gv->isa(q/B::GV/) ? q/ok/ : q/not ok/;
135
136 $st = eval { $gv->STASH->NAME };
137 print $st eq q/__ANON__/ ? q/ok/ : q/not ok/;
138
139 print q/done/;
2221b6e7
JH
140 },
141 ($^O eq 'VMS') ? (stderr => 1) : ()
142 );
ab9c4446
BM
143
144 ok( @results == 5 && $results[4] eq "done",
145 "anon CVs in undefed stash don't segfault" )
146 or todo_skip $TODO, 4;
147
148 ok( $results[0] eq "ok",
149 "cleared stash leaves anon CV with valid GV");
150 ok( $results[1] eq "ok",
151 "...and an __ANON__ stash");
152
153 ok( $results[2] eq "ok",
154 "undefed stash leaves anon CV with valid GV");
155 ok( $results[3] eq "ok",
156 "...and an __ANON__ stash");
d018fae5
BM
157 }
158
159 # [perl #58530]
160 fresh_perl_is(
161 'sub foo { 1 }; use overload q/""/ => \&foo;' .
162 'delete $main::{foo}; bless []',
163 "",
164 {},
165 "no segfault with overload/deleted stash entry [#58530]",
166 );
167}